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Old July 25th, 2013, 01:42 PM   #1
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Changing the rear sprocket

Hi

I feel the rpm a little bit to high on the 6th gear at 110 km/h when cruising.
Has someone change the rear sprocket from 45 to 42 (or 40) teeth?

/Stefan
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Old July 25th, 2013, 04:29 PM   #2
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I'd be interested in a less jerky ride below 30. Not sure if smaller sprocket would help.
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Old July 25th, 2013, 05:29 PM   #3
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I've also considered changing the gearing, but I'm thinking of going up one tooth on the front sprocket same effect as two teeth smaller in the back but without narrowing the chain around the big swing arm
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Old July 26th, 2013, 10:17 AM   #4
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and see I want to lose a tooth on the front....to each his own
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Old July 26th, 2013, 12:27 PM   #5
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Yea it all depends on what you want to do with it, some do allot of highway driving so lowering the engine RPM at 140 km/h is my goal, but if you do mostly city or canyon riding and want low end torque you want a smaller front/bigger rear sprocket.
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Old July 27th, 2013, 08:13 AM   #6
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I was just think the same thing. I would like a little bit lower rpm's on the highway. I have only ever messed around with rear sprocket on my trail bike. But would love to hear results of someone with some experience.
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Old July 27th, 2013, 12:45 PM   #7
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I have been riding some more now and the problem is actually that my butt does not like the very small vibrations above 4000 rpm.
I had worse problems with my Multistrada 1100 and used a AIRHAWK Seat cushions. Worked perfect.
So I will by a AIRHAWK that fits the HS.
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Old August 2nd, 2013, 01:51 PM   #8
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Today I changed the rear sprocket from 45 to 41 teeth.
Had to remove 2 links from the chain also (108 -> 106).

45 teeth
6th gear: 100 km/h = 4475rpm

41 teeth
5th gear: 100 km/h = 4440 rpm
6th gear: 100 km/h = 4078 rpm

The new 5th gear will be as the old 6th gear, and the new 6th gear will be as the old 7th gear that I tried to find

I will update you as soon as I have made a test ride.
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Old August 3rd, 2013, 06:07 AM   #9
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How does your first gear feel?
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Old August 3rd, 2013, 07:12 AM   #10
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Any idea how that will affect warranty?
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